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US3546232A
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US
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3 - phenyl - 8 - thianaphthenylalkyl derivatives of nortropine and nortropidine
Assignee: GlaxoSmithKline LLC
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Filing: 1968-10-25
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Granted: 1970-12-08
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Expires: 1988-10-25
Abstract
No abstract record available.
Inventors
- 👤 Carl Kaiser
- 👤 Charles L Zirkle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:18
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/77; C07D307/78; C07D307/79; C07D333/00; C07D333/50; C07D333/52; C07D333/54; C07D333/56; C07D333/58; C07D333/60; C07D451/00; C07D451/02; C07D451/04; C07D451/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3324137A
Cited
US3365457A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |